19992434

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 37711872

約数和(自身を除く): 17719438

約数列:

[1, 2, 7, 11, 14, 22, 77, 131, 154, 262, 917, 991, 1441, 1834, 1982, 2882, 6937, 10087, 10901, 13874, 20174, 21802, 76307, 129821, 152614, 259642, 908747, 1428031, 1817494, 2856062, 9996217, 19992434]

約数ペア:

[(1, 19992434), (2, 9996217), (7, 2856062), (11, 1817494), (14, 1428031), (22, 908747), (77, 259642), (131, 152614), (154, 129821), (262, 76307), (917, 21802), (991, 20174), (1441, 13874), (1834, 10901), (1982, 10087), (2882, 6937)]